Results 1 to 10 of about 53,045 (161)

Annular Cavity Design for Photoluminescent Polymer Optical Fiber Sensors [PDF]

open access: yesSensors, 2020
We present optimization results on the design of a polymer optical fiber single point sensor suitable for photoluminescence-based sensing. The single point sensing design consists of one or two annular cavities, separated by a small distance, milled into
Rune Inglev, Jakob Janting, Ole Bang
doaj   +2 more sources

Optical Strain Measurement with Step-Index Polymer Optical Fiber Based on the Phase Measurement of an Intensity-Modulated Signal [PDF]

open access: yesSensors, 2018
Polymer optical fibers (POFs) have been proposed for optical strain sensors due to their large elastic strain range compared to glass optical fibers (GOFs).
Thomas Becker   +3 more
doaj   +2 more sources

Selective Serial Multi-Antibody Biosensing with TOPAS Microstructured Polymer Optical Fibers

open access: yesSensors, 2013
We have developed a fluorescence-based fiber-optical biosensor, which can selectively detect different antibodies in serial at preselected positions inside a single piece of fiber.
Lars H. Pedersen   +3 more
doaj   +3 more sources

U-Shaped and Surface Functionalized Polymer Optical Fiber Probe for Glucose Detection [PDF]

open access: yesSensors, 2017
In this work we show an optical fiber evanescent wave absorption probe for glucose detection in different physiological media. High selectivity is achieved by functionalizing the surface of an only-core poly(methyl methacrylate) (PMMA) polymer optical ...
Mikel Azkune   +7 more
doaj   +2 more sources

Advances on Polymer Optical Fiber Gratings Using a KrF Pulsed Laser System Operating at 248 nm

open access: yesFibers, 2018
This paper presents the achievements and progress made on the polymer optical fiber (POF) gratings inscription in different types of Fiber Bragg Gratings (FBGs) and long period gratings (LPGs). Since the first demonstration of POFBGs in 1999, significant
Carlos A. F. Marques   +7 more
doaj   +3 more sources

Isolated sensor networks for high-voltage environments using a single polymer optical fiber and LEDs for remote powering as well as data transmission [PDF]

open access: yesJournal of Sensors and Sensor Systems, 2018
Many applications in high voltage or explosive environments require sensors which are electrically isolated from other components of a system. These sensors need remote powering as well as wireless or isolated data transmission links.
J. Fischer   +6 more
doaj   +1 more source

Design of Polarization-Maintaining FBGs Using Polyimide Films to Improve Strain-Temperature Sensing in CFRP Laminates

open access: yesIEEE Photonics Journal, 2021
Uniform Fiber Bragg Grating sensors based on Polarization-Maintaining fibers are designed for simultaneous longitudinal strain and temperature measurement of Carbon Fiber Reinforced Polymer laminates.
Andrea Annunziato   +4 more
doaj   +1 more source

Structural Health Monitoring of Adhesively Bonded Pipe-to-Socket Joints by Integration of Polymer Optical Fibers and Their Load-Dependent Transmission Properties

open access: yesSensors, 2023
Adhesively bonded pipe-to-socket joints are used in numerous industrial applications. One example is in the transport of media, e.g., in the gas industry or in structural joints for such sectors as construction, wind energy, and the vehicle industry.
Josef Weiland   +6 more
doaj   +1 more source

BER OPTIC SENSOR MODIFIED BY GRAFTING OF THE MOLECULARLY IMPRINTED POLYMER FOR THE DETECTION OF AMMONIUM IN AQUEOUS MEDIA [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2015
Subject of Research.The paper deals with novel chemical sensors based on the polymeric optical fibers modified by grafting of the molecularly imprinted polymer for the detection of ammonium in aqueous solutions.
N. Lopes,   +6 more
doaj   +1 more source

Underwater acoustic signal acquisition based on optical interferometry in shallow water [PDF]

open access: yesAUT Journal of Electrical Engineering, 2023
Here, it is investigated the results of the implementation of an interferometric optical fiber acoustic sensor based on fiber Bragg grating (FBG). It is investigated the importance of different types of interferometer configurations as Michelson or Mach ...
Aliasghar Abniki   +2 more
doaj   +1 more source

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